Home / 57,015.45-85,523.18-29,021.85

Finding the Fourth Proportional to 57,015.45, 85,523.18 and 29,021.85

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Solution

The fourth proportional to 57,015.45, 85,523.18 and 29,021.85 is: 43,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,015.45 : 85,523.18 = 29,021.85 : x
  2. Step 2: Convert to fraction form
    57,015.45/85,523.18 = 29,021.85/x
  3. Step 3: Cross multiply
    57,015.45x = 85,523.18 × 29,021.85
  4. Step 4: Simplify right side
    57,015.45x = 2,482,040,756.37
  5. Step 5: Solve for x
    x = 2,482,040,756.37/57,015.45
  6. Step 6: Final answer
    x = 43,532.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.